* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.classify {
  width: 100vw;
  height: 100vh;
  display: flex;

  .title {
    width: 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    border-right: 1px solid #ccc;
    b {
      width: 100%;
      line-height: 36px;
      text-align: center;
      &.active {
        color: red;
        border-left: 2px solid red;
      }
    }
  }

  .content {
    flex: 1;
    height: 100%;
    overflow-y: hidden;
    h3 {
      margin-left: 10px;
    }
    dl {
      display: flex;
      padding: 10px;
      border-bottom: 1px solid #ccc;
      dt {
        width: 100px;
        height: 100px;
      }
      dd {
        margin-left: 10px;
      }
    }
  }
}